GESAC Standard | Unground ØD (mm)
| Ground ØD (mm) |
Range
| Tol.
| Range | Tol. |
| ØD=6 | +0.60, +1.00
| 6≤ØD≤20 | h5/h6
|
| 6≤ØD≤20 | +0.70, +1.10
|
| Ød (mm) | TKØ (mm)
|
| Range | Tol. | Range | Tol. |
| 0.40≤Ød≤0.90 | ±0.10 | TKØ≤4.00 | +0, -0.40
|
| 0.90≤Ød≤1.70 | ±0.15 | 4.00<TKØ≤6.00 | +0, -0.60 |
| Ød=1.75 | ±0.20 | 6.00<TKØ≤9.55 | +0, -0.80 |
| Ød=2.00 | ±0.25 | TKØ=10.00 | +0, -1.00 |
Classifcation of Grain Size of Cemented Carbide (lS04499-2-2008)
Category
| Grain size of WC (μm) |
Nano
| <0.2
|
Ultrafine
| 0.2∽0.5 |
Submicron
| 0.5∽0.8 |
Fine
| 0.8∽1.3 |
Medium
| 1.3∽2.5 |
Coarse
| 2.6∽6.0 |
Extra coarse
| >6.0
|
Grade Selection Guide
Workpiece
| Type of Cutting Tools
| First Chioce
| Second Chioce | Diamond coating |
| Steel
| Endmill
| Roughing
| □ | □ | □ |
Finishing
| □ | □ | □ |
Drill
| □ | □ | □ |
 | Stainless
steel | Endmill
| Roughing
| □ | □ | □ |
| Finishing | □ | □ | □ |
| Drill | □ | □ | □ |
 | Cast lron
| Endmill | Roughing
| □ | □ | □ |
| Finishing | □ | □ | □ |
| Drill | □ | □ | □ |
 | Nonferrous
Material | Endmill | Roughing
| □ | □ | □ |
| Finishing | □ | □ | □ |
| Drill | □ | □ | □ |
 | Heat
Resistance Material | Endmill | Roughing
| □ | □ | □ |
| Finishing | □ | □ | □ |
| Drill | □ | □ | □ |
| Hardened
Material | Endmill | Roughing
| □ | □ | □ |
| Finishing | □ | □ | □ |
| Drill | □ | □ | □ |
Others
| Graphite | □ | □ | □ |
CFRP
| □ | □ | □ |
PCB
| □ | □ | □ |
Note: Shape can be customized according to the customer's requirements.
Factory Tour
Zhuzhou Weikeduo Cemented Carbide Co., LTD.
ADDRESS：Building B, Smart Cube, No. 460, Jinshan Road, Hetang District, Zhuzhou City, Hunan Province,China
Phone：+86 137 8633 2019 +86 186 7080 5093
Wechat&Whats: +86 137 8633 2019 +86 186 7080 5093
Email: cathy@weikeduocarbide.com admin@weikeduocarbide.com
